<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>css-notes</title>
  <style>
    div {
      width: 100px;
      height: 100px;
      background: #F1AAA6;
      transition: width 2s, height 2s;
      -moz-transition: width 2s, height 2s, -moz-transform 2s; /* Firefox 4 */
      -webkit-transition: width 2s, height 2s, -webkit-transform 2s; /* Safari and Chrome */
      -o-transition: width 2s, height 2s, -o-transform 2s; /* Opera */
    }

    div:hover {
      width: 200px;
      height: 200px;
      transform: rotate(180deg);
      -moz-transform: rotate(180deg); /* Firefox 4 */
      -webkit-transform: rotate(180deg); /* Safari and Chrome */
      -o-transform: rotate(180deg); /* Opera */
    }
  </style>
</head>
<body>
<div></div>
<p>请把鼠标指针放到粉色的 div 元素上，来查看过渡效果。</p>
<p><b>注释：</b>本例在 Internet Explorer 中无效。</p>
</body>
</html>
